Rising-plug plug valve

Details Rising-plug plug valve Rising-plug plug valve

1974-08-19

1976-04-06

Schwadron, Martin P.

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Cleaning or steam sterilizing

137375, 251161, F16K 502

Patent

active

039482847

ABSTRACT:
In a rising-plug plug valve wherein the plug and valve body at the narrow end of the plug define a cavity, a passage is provided between the cavity and the outlet opening of the plug valve. On opening, the valve plug and seat portion adjacent the narrowest portion of the plug is flushed by liquid passing therebetween and the outlet opening of the passageway.

REFERENCES:
patent: 286656 (1883-10-01), VanWie
patent: 876625 (1908-01-01), DeRemer
patent: 1778746 (1930-10-01), Bard
patent: 2315058 (1943-03-01), Holt et al.
patent: 3406707 (1968-10-01), Schenck
patent: 3636971 (1972-01-01), Hagar

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